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Comet C/2022 QE78 (ATLAS) - 1 april 2025

Af(rho) data according the CARA-approach is available via request to CARA-coordinator

http://cara.uai.it

Astrometric data for minor planet center

permID |provID     |trkSub  |mode|stn |obsTime                |ra         |dec        |rmsRA|rmsDec|astCat  |mag  |rmsMag|band|photCat |photAp|logSNR|seeing|exp |rmsFit|nStars|notes|remarks

       |C/2022 QE78|        | CCD|B96 |2025-04-01T19:19:40Z   | 95.91213  |+13.38300  |0.18 |0.26  |   Gaia2|15.7 |0.08  |   R|   Gaia2| 5.6  |1.35  |3.8   | 120|0.29  |  2588|     |

       |C/2022 QE78|        | CCD|B96 |2025-04-01T19:38:09Z   | 95.91303  |+13.38373  |0.19 |0.28  |   Gaia2|15.5 |0.07  |   R|   Gaia2| 5.6  |1.54  |3.0   | 120|0.29  |  3310|     |

       |C/2022 QE78|        | CCD|B96 |2025-04-01T19:49:55Z   | 95.91395  |+13.38434  |0.19 |0.28  |   Gaia2|15.8 |0.07  |   R|   Gaia2| 5.6  |1.49  |3.1   | 120|0.30  |  3296|     |

Photometric data obtained from KOPR software:

ICQ Code:

   2022QE782025 04 01.82  k 15.0 AR 40.0L 3A320   0.6               ICQ XX BRY04I     C 0.56mST0 K6F KPR 0 U9*0.02       1.2s 1.2 ;

CometObs format:

C/2022 QE78 (ATLAS):

2025  Apr.  01.82  UT: m1=15.0 CCD-R, Dia.=0.6', 40.0-cm Newtonian reflector .(Erik Bryssinck, BRIXIIS Observatory)

Af(rho-parameter according CARA-approach

Af(rho) [cm] vs core distance [km]